31128678

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{82351}}^1$

素因数の和:82369

約数の個数: 32

約数和(自身を含む): 79057920

約数和(自身を除く): 47929242

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 82351, 164702, 247053, 494106, 576457, 741159, 1152914, 1482318, 1729371, 2223477, 3458742, 4446954, 5188113, 10376226, 15564339, 31128678]

約数ペア:

[(1, 31128678), (2, 15564339), (3, 10376226), (6, 5188113), (7, 4446954), (9, 3458742), (14, 2223477), (18, 1729371), (21, 1482318), (27, 1152914), (42, 741159), (54, 576457), (63, 494106), (126, 247053), (189, 164702), (378, 82351)]